Metaphysics

The Republic

Plato.

The illustrated A brief history of time

Stephen Hawking

Aristotle's Metaphysics

Aristotle

Being and nothingness: a phenomenological essay on ontology

translated and with an introduction by Hazel E Barnes.

On liberty

John Stuart Mill.

Critique of pure reason

translated from the German by J.M.D. Meiklejohn.

Being and Time

Martin Heidegger

Phenomenology of spirit

by G.W.F. Hegel ; translated (from the German) by A.V. Miller ; with analysis of the text and foreword by J.N. Findlay.

The Celestine Prophecy: An Adventure

James Redfield.

The last days of Socrates: Euthypho, Apology, Crito, Phaedo

Plato ; translated by Hugh Tredennick and Harold Tarrant ; introduction and notes by Harold Tarrant.